The Chuzzlewits Have an Income of $M Per Week

Multiple Choice

The Chuzzlewits have an income of $m per week.Let x be food and let y be all other goods.Let p_x be the price of food and p_y be the price of other goods.They can use food stamps to buy food at a price of p_x(1 - s) for up to x* units of food per week.If they buy more food than x*, they have to pay the full price p_x for additional units.Their weekly income is greater than p_x(1 - s) x*.The maximum amount of food that they can buy per week is

A) x* + (m/p_x) .
B) (m + x*) /p_x.
C) (m/p_x) + sx*.
D) m/(1 - s) p_x.
E) (m + p_x) /(1 - s) p_x.